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Intracranial aneurysms

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https://www.readbyqxmd.com/read/28213195/blunt-traumatic-brain-injury-patients-a-role-for-ct-angiography-of-the-head-to-evaluate-non-traumatic-etiologies
#1
REVIEW
Ha Nguyen, Ninh Doan, Michael Gelsomino, Saman Shabani
BACKGROUND: In the setting of trauma, the etiology of intracranial hemorrhage (ICH) is frequently attributed to the physical, traumatic event. Caution should still be directed towards non-traumatic (or spontaneous) etiologies responsible for the trauma, such as hypertension, cerebral amyloid angiopathy, aneurysms, vascular malformation, and hemorrhagic infarcts. The role for immediate CT angiography (CTA) remains controversial to evaluate for non-traumatic etiologies. METHODS: A systematic review of the available literature in Medline PubMed database...
February 14, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28210239/flow-diversion-for-the-treatment-of-mca-bifurcation-aneurysms-a-single-centre-experience
#2
Pervinder Bhogal, Muhammad AlMatter, Hansjörg Bäzner, Oliver Ganslandt, Hans Henkes, Marta Aguilar Pérez
BACKGROUND: Intracranial aneurysms located at the bifurcation of the middle cerebral artery (MCA) can often be challenging for the neurointerventionalist. We aimed to evaluate the efficacy and safety of flow diverting stents (FDS) in the treatment of these aneurysms. MATERIALS AND METHODS: We retrospectively reviewed our prospectively maintained database to collect information for all patients with unruptured saccular bifurcation MCA aneurysms treated with FDS between January 2010 and January 2016...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28209313/the-arborization-bypass-sequential-intracranial-intracranial-bypasses-for-an-unruptured-fusiform-mca-aneurysm
#3
Jonathan J Russin
Revascularization techniques are being featured more prominently as endovascular treatments continue to select out complex cerebrovascular pathologies for open surgical management. The current healthcare environment requires decreased hospital stays and improved clinical outcomes despite the growing complexity of open surgical cases. Recent efforts to reduce operative room time and decrease risk for bypass surgery have focused on avoiding graft harvest and maintaining the entire bypass intracranial. The presented technique features an arborization bypass to serially anastomose the middle cerebral artery vessels allowing for proximal trapping of a complex aneurysm without graft harvest...
February 10, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28209306/successful-coil-embolization-of-a-ruptured-mycotic-aneurysm-that-developed-three-days-after-septic-embolic-infarction-case-report-and-review-of-the-literature
#4
Joshua L Wang, Archana P Hinduja, Ciarán J Powers
BACKGROUND: Infectious intracranial aneurysms (IIAs) are rare entities and are often associated with septic embolus from infectious endocarditis. They may develop rapidly and carry a higher risk of rupture and mortality compared to noninfectious aneurysms. However, the development and rupture of an IIA within 48h in a patient with septic infarction patient is exceedingly rare. CASE DESCRIPTION: In this report, we describe a 25-year-old male who presented with left-sided hemiparesis and dysarthria from septic embolus to the right middle cerebral artery...
February 10, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28197790/surgical-treatment-of-anterior-cranial-fossa-dural-arterio-venous-fistulas-davfs-a-two-centre-experience
#5
Pietro Meneghelli, Alberto Pasqualin, Luigi Andrea Lanterna, Claudio Bernucci, Roberto Spinelli, Gianluigi Dorelli, Piergiuseppe Zampieri
BACKGROUND: Anterior cranial fossa dural arterio-venous fistulas (DAVFs) represent 6% of all intracranial DAVFs; characteristically they show an aggressive behaviour with high risk of intracranial haemorrhage. Peculiar anatomical features, such as feeding by the ethmoidal arteries and the pattern of venous drainage (frequently with varices that mimic aneurysmal dilatation), can be evaluated in detail only by digital subtraction angiography (DSA), which represents the "gold standard" in the diagnosis of such cranial fistulas...
February 14, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28197712/outflow-angle-measurement-a-simple-approach-for-the-differential-diagnosis-of-intracranial-protrusion-with-a-branch-artery-arising-from-its-top
#6
Mo Chen, Hong-Mei Song, Ming-Hua Li, Wu Wang, Yong-Dong Li
PURPOSE: Magnetic resonance angiography (MRA) is an important diagnosis method for the detection of intracranial aneurysms (IAs), but it is not useful for differentiating between IA and infundibular dilatation (ID) in patients in whom imaging shows an intracranial protrusion with a branch artery at its top. The objective of this study was to introduce a new approach-measurement of the outflow angle (OA)-for differentiating between IA and ID in such cases. METHODS: The study included 7 patients with a total of 9 protrusions...
February 14, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28197281/prediction-of-symptomatic-embolism-in-filipinos-with-infective-endocarditis-using-the-embolic-risk-french-calculator
#7
Jaime Alfonso M Aherrera, Maria Teresa B Abola, Maria Margarita O Balabagno, Lauro L Abrahan, Jose Donato A Magno, Paul Ferdinand M Reganit, Felix Eduardo R Punzalan
BACKGROUND: Cardioembolic events are life-threatening complications of infective endocarditis (IE). The embolic risk French calculator estimates the embolic risk in IE computed on admission. Variables in this tool include age, diabetes, atrial fibrillation, prior embolism, vegetation length, and Staphylococcus aureus on culture. A computed risk of > 7% was considered high in the development of this tool. Knowledge of this risk applied in our local setting is important to guide clinicians in preventing such catastrophic complications...
August 2016: Cardiology Research
https://www.readbyqxmd.com/read/28188419/angiographic-doughnut-shaped-aneurysm-of-intracranial-internal-carotid-artery
#8
Chung-Hsin Lee, Chih-Hsiang Liao, Wen-Hsien Chen, Hsu-Tung Lee, Yuang-Seng Tsuei
Morphologic characteristics of angiographic doughnut-shaped aneurysms of the intracranial internal carotid artery (ICA) have been rarely reported in the literature and were discussed only radiologically. In this case, surgical clipping was performed, and the specimen from the aneurysm was examined to correlate the pathologic findings and morphologic characteristics. A 59-year-old male presented with diffuse subarachnoid hemorrhage secondary to a ruptured vascular lesion originating from the intracranial portion of the right ICA...
February 10, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28187991/headache-and-treatment-of-unruptured-intracranial-aneurysms
#9
Julieta E Arena, Maximiliano A Hawkes, Mauricio F Farez, Lucia Pertierra, Alejandro A Kohler, Mariano Marrodán, Darío Benito, Maria T Goicochea, Juan C Miranda, Sebastián F Ameriso
BACKGROUND AND PURPOSE: The relationship between unruptured intracranial aneurysms (UIAs) and chronic headache and the impact of aneurysm treatment on headache outcome are controversial. The aim of this study was to determine clinical features of a supposedly primary headache in patients with UIA. We also assessed changes in headache characteristics after UIA treatment. METHODS: We examined clinical and imaging data of patients in whom a UIA was diagnosed during diagnostic workup of a suspected primary headache...
February 7, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28187814/neurocardiology
#10
N D Osteraas, V H Lee
Neurocardiology refers to the interplay between the nervous system and the cardiovascular system. Stress-related cardiomyopathy exemplifies the brain-heart connection and occurs in several conditions with acute brain injury that share oversympathetic activation. The brain's influences on the heart can include elevated cardiac markers, arrhythmias, repolarization abnormalities on electrocardiogram, myocardial necrosis, and autonomic dysfunction. The neurogenic stunned myocardium in aneurysmal subarachnoid hemorrhage represents one end of the spectrum, and is associated with an explosive rise in intracranial pressure that results in excess catecholamine state and possibly CBN...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/28187800/management-of-aneurysmal-subarachnoid-hemorrhage
#11
N Etminan, R L Macdonald
Spontaneous subarachnoid hemorrhage (SAH) affects people with a mean age of 55 years. Although there are about 9/100 000 cases per year worldwide, the young age and high morbidity and mortality lead to loss of many years of productive life. Intracranial aneurysms account for 85% of cases. Despite this, the majority of survivors of aneurysmal SAH have cognitive deficits, mood disorders, fatigue, inability to return to work, and executive dysfunction and are often unable to return to their premorbid level of functioning...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/28186451/techniques-and-outcomes-of-microsurgical-management-of-ruptured-and-unruptured-fusiform-cerebral-aneurysms
#12
Sam Safavi-Abbasi, M Yashar S Kalani, Ben Frock, Hai Sun, Kaan Yagmurlu, Felix Moron, Laura A Snyder, Randy J Hlubek, Joseph M Zabramski, Peter Nakaji, Robert F Spetzler
OBJECTIVE Fusiform cerebral aneurysms represent a small portion of intracranial aneurysms; differ in natural history, anatomy, and pathology; and can be difficult to treat compared with saccular aneurysms. The purpose of this study was to examine the techniques of treatment of ruptured and unruptured fusiform intracranial aneurysms and patient outcomes. METHODS In 45 patients with fusiform aneurysms, the authors retrospectively reviewed the presentation, location, and shape of the aneurysm; the microsurgical technique; the outcome at discharge and last follow-up; and the change in the aneurysm at last angiographic follow-up...
February 10, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28184345/y-configuration-stent-assisted-coil-embolization-for-wide-necked-intracranial-bifurcation-aneurysms
#13
Kwangho Lee, Hyun Park, Insung Park, Sukh Que Park, O-Ki Kwon, Jongwoo Han
OBJECTIVE: The objective of this study was to determine the efficiency and safety of Y configuration stent-assisted coiling with double-closed stents for wide-necked intracranial aneurysms located at arterial bifurcations thorough analysis of a multicenter case series. MATERIALS AND METHODS: A retrospective chart review was done on 10 patients who underwent endovascular treatment of wide-necked intracranial aneurysms with Y-configuration stent-assisted coil embolization in three centers from August 2011 to March 2014...
December 2016: Journal of Cerebrovascular and Endovascular Neurosurgery
https://www.readbyqxmd.com/read/28184338/the-clinical-importance-of-perforator-preservation-in-intracranial-aneurysm-surgery-an-overview-with-a-review-of-the-literature
#14
REVIEW
Sung-Pil Joo, Tae-Sun Kim
Clipping for intracranial aneurysms is done to achieve complete occlusion of the aneurysm without a remnant sac. Despite modern advancements of neurosurgical techniques, morbidity related to the clipping of intracranial aneurysms still exists. Clip occlusion of a parent artery or small hidden perforators commonly leads to permanent neurological deficits, and is a serious and unwanted complication. Thus, preserving blood flow in the branches and perforators of a parent artery is very important for successful surgery without postoperative morbidity and mortality...
January 2017: Chonnam Medical Journal
https://www.readbyqxmd.com/read/28184003/a-survey-of-intracranial-aneurysm-treatment-practices-among-united-states-physicians
#15
Kyle M Fargen, Hector E Soriano-Baron, Julia T Rushing, William Mack, J Mocco, Felipe Albuquerque, Andrew F Ducruet, Maxim Mokin, Italo Linfante, Stacey Q Wolfe, John A Wilson, Joshua A Hirsch
BACKGROUND: Recent surveys have failed to examine cerebrovascular aneurysm treatment practices among US physicians. OBJECTIVE: To survey physicians who are actively involved in the care of patients with cerebrovascular aneurysms to determine current aneurysm treatment preferences. METHODS: A 25-question SurveyMonkey online survey was designed and distributed electronically to members of the Society of NeuroInterventional Surgery, Society of Vascular and Interventional Neurology, and the American Association of Neurological Surgeons/Congress of Neurological Surgeons Combined Cerebrovascular Section...
February 9, 2017: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/28183951/a-target-for-intracranial-aneurysms
#16
EDITORIAL
Wei Wong
No abstract text is available yet for this article.
February 10, 2017: Science
https://www.readbyqxmd.com/read/28183559/factors-associated-with-blood-transfusion-during-intracranial-aneurysm-surgery
#17
Jessica N Yee, Antoun Koht, Robert J McCarthy, John F Bebawy
STUDY OBJECTIVE: The purpose of this study was to identify risk factors associated with intraoperative blood transfusions in patients presenting for intracranial aneurysm surgery in the current era of more restrictive transfusion guidelines. DESIGN: Retrospective observational cohort study with stepwise, multivariate binary logistic regression analysis. SETTING: Tertiary care university teaching hospital. PATIENTS: Four hundred seventy-one consecutive patients undergoing intracranial aneurysm surgery at Northwestern Memorial Hospital (Chicago, IL) from 2006 to 2012...
February 2017: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/28183143/rapid-documented-growth-of-aneurysm-bleb-led-to-rupture-of-an-incidental-intracranial-anterior-communicating-artery-aneurysm
#18
Jan-Karl Burkhardt, Jorn Fierstra, Giuseppe Esposito, Gerasimos Baltsavias, Oliver Bozinov, Luca Regli
Background A major challenge in the management of patients with unruptured intracranial aneurysms (UIAs) is to identify criteria indicating a higher risk of future UIA rupture. We report a rare patient with documented short-term bleb growth of an UIA followed by a fatal aneurysm rupture supporting the high risk of rupture of short-term shape changes in UIAs. Case Description A 72-year-old man with an incidental unruptured anterior communicating artery aneurysm of 9 mm showed a bleb growth on the aneurysm sac at 6-week follow-up computed tomography angiography (CTA)...
February 9, 2017: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/28181086/bilateral-cavernous-carotid-aneurysms-treated-by-two-stage-extracranial-intracranial-bypass-followed-by-parent-artery-occlusion-case-report-and-literature-review
#19
Yaoling Liu, Xiang'en Shi, Fangjun Liu, Yuming Sun, Hai Qian, Ting Lei
Bilateral cavernous carotid aneurysms (CCAs) are often not amenable to neurosurgical clipping or endovascular coiling. Here, we report the case of a 50-year-old female who presented with a 1-year history of gradual severe headache. Preoperative angiograms revealed bilateral CCAs. Among these findings, the right giant CCA had been trapped after the external carotid artery-saphenous vein-middle cerebral artery (ECA-SV-MCA) bypass 8 years prior. Additionally, the left CCA was again trapped after the internal maxillary artery-radial artery-middle cerebral artery (IMA-RA-MCA) bypass, followed by parent artery occlusion (PAO), because of the enlargement of a 0...
February 8, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28179597/sinus-pericranii-with-dominant-venous-outflow-in-the-superior-eyelid
#20
Eiji Ito, Syuntaro Takasu, Kenichi Hattori
Sinus pericranii (SP) located in the superior eyelid is an unusual clinical presentation. Here, we report a case of 72-year-old woman with an unruptured cerebral aneurysm presented with an SP located in the left superior eyelid. The SP was found to have a dominant venous outflow from the bilateral frontal region with an arterialized blood flow pattern on color Doppler ultrasonography (CDUS). During the aneurysmal surgery, intraoperative monitoring of the dominant venous outflow with CDUS was useful for the prevention of venous outflow obstruction...
February 9, 2017: Neurologia Medico-chirurgica
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